Newegg has the Seagate Momentus XT 500GB 2.5" SATA Solid State Hybrid Hard Drive (ST95005620AS) for a low $59.99 Free Shipping after Coupon Code: "EMCJNGJ28" (Exp 11/7). Tax in CA, NJ, TN. This is $7 less than the next best price from a reputable merchant.

This features 4GB of NAND storage. The Adaptive Memory customizes performance by utilizing the flash NAND for frequently accessed portions of the hard drive.